fix phone number display

[itsthejoker]

Relevant issue: N/a

Description:

Phone number wasn't working on the holds page because I forgot that you can't reference other variables inside of a blocktranslate call.

Checklist:

• [x] Code Quality
• [ ] Pep-8
• [ ] Tests (if applicable)
• [x] Success Criteria Met
• [ ] Inline Documentation
• [ ] Wiki Documentation (if applicable)

[github-actions[bot]]

Current coverage: 71%